South Sudan Population Pyramid 1983
Year
1983South Sudan in 1983
As of 1983, South Sudan counted 4,661,574 inhabitants. Over the previous ten years the population grew by 28.5%, up from 3,627,383 in 1973.
With a median age of 16.8 years, South Sudan had a youth dependency ratio of 90.4 and an old-age dependency ratio of 4.7 per 100 people of working age. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of South Sudan was 3.86 births per woman in 2023, above the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 57.6 years in 2023: 60.6 for women and 54.6 for men.
Source: World Bank World Development Indicators, latest available year.
911,341 immigrants live in South Sudan, 7.6% of the population.
| Sudan | 608,817 |
| Uganda | 156,437 |
| D.R. Congo | 97,364 |
| Ethiopia | 13,582 |
| Kenya | 10,153 |
3,168,836 people born in South Sudan live in other countries.
| Sudan | 1,507,976 |
| Uganda | 923,658 |
| Ethiopia | 443,743 |
| Kenya | 114,885 |
| D.R. Congo | 103,594 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| South Sudan | 4,661,574 | 16.8 | |
| Burundi | 4,808,528 | 17.0 | |
| Rwanda | 5,905,312 | 16.1 | |
| Somalia | 6,198,430 | 17.4 | |
| Zambia | 6,381,039 | 15.4 |





